Finding the Fourth Proportional to 2,177,528.15, 3,266,081.04 and 661,224.21
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Solution
The fourth proportional to 2,177,528.15, 3,266,081.04 and 661,224.21 is: 991,772.19
Step by Step Solution
- Step 1: Write the proportion equation
2,177,528.15 : 3,266,081.04 = 661,224.21 : x - Step 2: Convert to fraction form
2,177,528.15/3,266,081.04 = 661,224.21/x - Step 3: Cross multiply
2,177,528.15x = 3,266,081.04 × 661,224.21 - Step 4: Simplify right side
2,177,528.15x = 2,159,611,855,469.98 - Step 5: Solve for x
x = 2,159,611,855,469.98/2,177,528.15 - Step 6: Final answer
x = 991,772.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.